# NFT Details

- [Introduction](/nft-details/introduction.md)
- [NFT Levels](/nft-details/nft-levels.md)
- [NFT Life Cycles](/nft-details/nft-life-cycles.md)
- [NFT Upgrade](/nft-details/nft-upgrade.md)
- [NFT Gold Coin Allocation](/nft-details/nft-gold-coin-allocation.md)
- [NFT Usage Scenarios](/nft-details/nft-usage-scenarios.md)
- [Gold Coins Acquisition](/nft-details/gold-coins-acquisition.md)
- [The Recyclable Economic Model](/nft-details/the-recyclable-economic-model.md)